MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of embedded links, with one identified as a malicious redirector. The ML classifier strongly indicates maliciousness. The document body, though heavily obfuscated, contains a URL that matches the malicious redirector, suggesting an attempt to lure users to malicious sites. The presence of numerous links on disposable hosting further supports a link farm or SEO poisoning attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://ggtraff.ru/strik?keyword=%25C3%25A9valuation+d%25C3%25A9placement+sur+quadrillage+ce2 In PDF document text
- https://site-1037003.mozfiles.com/files/1037003/nodasodizuninuzovotekikis.pdfIn PDF document text
- https://site-1037909.mozfiles.com/files/1037909/tosofibasebirasa.pdfIn PDF document text
- https://site-1036929.mozfiles.com/files/1036929/nawal.pdfIn PDF document text
- https://site-1036972.mozfiles.com/files/1036972/pidibigimogutefewizo.pdfIn PDF document text
- https://site-1037022.mozfiles.com/files/1037022/wekixezixadezijifewovuvo.pdfIn PDF document text
- https://site-1038401.mozfiles.com/files/1038401/76426989007.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/5bfbeba8-3f3d-428b-b4d9-1b77f54b0946/277646924.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1d7d87b4-f115-407a-a203-a7e14a5f3093/gipejavemezex.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7f249b96-40f7-4513-9806-effef616e1c0/65068513940.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/de6e39a6-80be-4cdc-ae98-a2de421b4bd9/lemaxunajonerafiwulobot.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3f9cb8b8-266d-42de-8dca-288ed50e127d/rinoxujelulukagufi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5305/6149/files/2nd_wedding_dresses_older_bride.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0493/5539/1135/files/first_turn_menu.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005ffd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5FFD | 5832 bytes |
SHA-256: 202313a2e0f034c04021ba018b012f9584f29dadfeced9b2b7bd0f506d8b6543 |
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font_01_sfnt_off0000737f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x737F | 11944 bytes |
SHA-256: 62d536459abfc4e81dcd5968b6dafd70ec9103325e827f413186877f56c0d90b |
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font_02_sfnt_off00009988.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9988 | 16144 bytes |
SHA-256: cab0398e3f282db8df8ee7224df0619fbc6b67f81493afdba6d4f29ecc3f2809 |
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